import sys
import json
from vosk import Model, KaldiRecognizer
import speech_recognition as sr
from gtts import gTTS
import os

# 配置
VOSK_MODEL_PATH = "vosk-model"  # 需下载中文模型并修改路径
DEFAULT_LANGUAGE = "zh-CN"      # 默认使用中文

def process_question(question: str) -> str:
    """处理问题并返回答案"""
    # 这里可以接入更复杂的问答系统
    # 目前使用简单的规则匹配
    question = question.lower()
    
    if "什么是" in question or "解释" in question:
        return "这是一个很好的问题。让我来解释一下..."
    elif "如何" in question or "怎么" in question:
        return "要解决这个问题，我建议按照以下步骤操作..."
    elif "为什么" in question:
        return "这个问题的原因是..."
    else:
        return "我理解您的问题。让我来回答..."

def main():
    if len(sys.argv) != 2:
        print("Usage: python qa.py <question>")
        sys.exit(1)

    question = sys.argv[1]
    try:
        answer = process_question(question)
        print(answer)
        sys.exit(0)
    except Exception as e:
        print(f"错误: {str(e)}", file=sys.stderr)
        sys.exit(1)

if __name__ == "__main__":
    main() 